STOCK-BASED COMPENSATION (Details 3) - Restricted Stock Awards [Member] - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Unvested, Shares, Outstanding, Beginning of period	63	63	50
Unvested Shares, Granted	38	28	30
Unvested Shares, Vested	(30)	(23)	(17)
Unvested Shares, Forfeited	(8)	(5)	0
Unvested Shares, Outstanding, End of period	63	63	63	50
Weighted Average Grant Date Fair Value, Outstanding, Beginning of period	$ 42.72	$ 19.34	$ 10.20
Weighted Average Grant Date Fair Value, Granted	40.59	67.26	29.61
Weighted Average Grant Date Fair Value, Vested	33.89	15.82	10.20
Weighted Average Grant Date Fair Value, Forfeited	46.05	19.41	0
Weighted Average Grant Date Fair Value, Outstanding, End of period	$ 45.72	$ 42.72	$ 19.34	$ 10.20
Weighted Average Remaining Term (in years)	2 years 2 months 12 days	2 years 2 months 12 days	2 years 7 months 6 days	2 years 9 months 18 days